113133321331 has 4 divisors (see below), whose sum is σ = 114726748464. Its totient is φ = 111539894200.

The previous prime is 113133321317. The next prime is 113133321373. The reversal of 113133321331 is 133123331311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133123331311 = 8369 ⋅15906719.

It is a cyclic number.

It is not a de Polignac number, because 113133321331 - 2⁵ = 113133321299 is a prime.

It is a super-2 number, since 2×113133321331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113133321296 and 113133321305.

It is not an unprimeable number, because it can be changed into a prime (113133321391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796713460 + ... + 796713601.

It is an arithmetic number, because the mean of its divisors is an integer number (28681687116).

Almost surely, 2^113133321331 is an apocalyptic number.

113133321331 is a deficient number, since it is larger than the sum of its proper divisors (1593427133).

113133321331 is an equidigital number, since it uses as much as digits as its factorization.

113133321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593427132.

The product of its digits is 1458, while the sum is 25.

Adding to 113133321331 its reverse (133123331311), we get a palindrome (246256652642).

The spelling of 113133321331 in words is "one hundred thirteen billion, one hundred thirty-three million, three hundred twenty-one thousand, three hundred thirty-one".